DE1504239C3 - - Google Patents

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Publication number
DE1504239C3
DE1504239C3 DE1504239A DE1504239A DE1504239C3 DE 1504239 C3 DE1504239 C3 DE 1504239C3 DE 1504239 A DE1504239 A DE 1504239A DE 1504239 A DE1504239 A DE 1504239A DE 1504239 C3 DE1504239 C3 DE 1504239C3
Authority
DE
Germany
Prior art keywords
edge
pressing
profile
edge surface
density
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE1504239A
Other languages
German (de)
Other versions
DE1504239A1 (en
DE1504239B2 (en
Inventor
Edmund 7141 Oberstenfeld Munk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furnier- und Sperrholzwerk Jf Werz Jun KG Werzalit-Pressholzwerk 7141 Oberstenfeld
Original Assignee
Furnier- und Sperrholzwerk Jf Werz Jun KG Werzalit-Pressholzwerk 7141 Oberstenfeld
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CA761402A priority Critical patent/CA761402A/en
Application filed by Furnier- und Sperrholzwerk Jf Werz Jun KG Werzalit-Pressholzwerk 7141 Oberstenfeld filed Critical Furnier- und Sperrholzwerk Jf Werz Jun KG Werzalit-Pressholzwerk 7141 Oberstenfeld
Priority to DE19511504239 priority patent/DE1504239A1/en
Priority to FR7718A priority patent/FR1433314A/en
Priority to US29545763 priority patent/US3283052A/en
Priority to GB916464A priority patent/GB1050517A/en
Priority to SE3253/64A priority patent/SE307665B/xx
Priority to JP1429364A priority patent/JPS4526989B1/ja
Publication of DE1504239A1 publication Critical patent/DE1504239A1/en
Publication of DE1504239B2 publication Critical patent/DE1504239B2/de
Application granted granted Critical
Publication of DE1504239C3 publication Critical patent/DE1504239C3/de
Granted legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N5/00—Manufacture of non-flat articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0026—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor an edge face with strip material, e.g. a panel edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81422—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being convex
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81425—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being stepped, e.g. comprising a shoulder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81461—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being multi-lamellar or segmented, i.e. comprising a plurality of strips, plates or stacked elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72329—Wood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/108—Flash, trim or excess removal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Description

Die Erfindung bezieht sich auf ein Verfahren zum nachträglichen Aufpressen einer Kantenschicht aus schwach vorkondensierten, wärmehärtenden Kunstharzfolien auf die Kantenfläche einer .Schmalkante von aus einem Gemisch von organischen Fasern und einem wärmehärtenden Bindemittel hergestellten Preßkörpern mit zu ihrer Mittelebene hin abnehmender Dichte, wie Platte oder Formteilen, vorzugsweise von bereits auf der Ober- und/oder Unterfläche beschichteten Preßkörpern.The invention relates to a method for subsequently pressing on an edge layer weakly pre-condensed, thermosetting synthetic resin films on the edge surface of a narrow edge made from a mixture of organic fibers and a thermosetting binder Pressed bodies with a density decreasing towards their center plane, such as plate or molded parts, preferably of pressed bodies already coated on the upper and / or lower surface.

Es ist bekannt, daß man plane Kanten von Holzwerkstoffen mit Streifen bereits ausgehärteter Schichtpreßstoffplatten oder mit einer polymerisierten Kunststoff-Folie verleimen oder verkleben kann. Dieses bekannte Verfahren zur Beschichtung von Kanten hat aber den Nachteil, daß das Beschichtungsmaterial keine direkte Verbindung mit dem Träger eingeht, wobei die Leimfuge bei thermischer oder starker mechanischer Beanspruchung der Belastung nicht standhält und sich die Schicht vom Träger löst.It is known that plane edges of wood-based materials can be made with strips of already cured laminated panels or glued or glued to a polymerized plastic film. This known method for coating But edges has the disadvantage that the coating material has no direct connection with the Girders are received, the glue joint in the event of thermal or strong mechanical stress does not withstand and the layer becomes detached from the carrier.

Bei Beschichtung mit dekorativen Schichtpreßstoffen ist nach der Beschichtung zwangläufig die braune Trägerfolie des Schichtpreßstoffes zu sehen. Zudem sind verleimte Schichtpreßstoffe sehr schwie- ( | rig zu entgraten und darüber hinaus außerordentlich kostspielig. Polymerisierte Kunststoff-Folien laden sich außerdem elektrostatisch auf und ziehen daher Staub an. Auch ist ihre Oberflächenbeschaffenheit verhältnismäßig weich.When coating with decorative laminates, the brown carrier film of the laminate is inevitably visible after the coating. In addition, glued laminates are very (dif- |.. Rig deburring and beyond extremely costly Polymerized plastic Transparencies have also electrostatically and therefore attract dust Their surface finish is relatively soft.

Ein Nachteil bei beiden Beschichtungsverfahren ist ferner, daß nach der Verleimung mit dem Träger die Haftfähigkeit in den Zonen geringerer Druckfestigkeit bedeutend geringer ist als in den Zonen größerer Druckfestigkeit. Dies wirkt sich bei der Beschichtung von Span-Plattenkanten insbesondere während ihres Gebrauchs nachteilig aus.A further disadvantage of both coating methods is that after gluing with the carrier the adhesion in the zones of lower compressive strength is significantly lower than in the zones greater compressive strength. This is particularly important when coating chipboard edges detrimental during their use.

Es bestünde nun an sich die Möglichkeit, Platten oder Formteile aus kunststoffgebundenen Faserstoffen längs ihrer Kantenflächen mit noch nicht voll auskondensierten Kunststoff-Folienstreifen unter Druck und Wärmeeinwirkung zu beschichten, doch ergibt sich hier eine große Schwierigkeit: Um nämlich zu erreichen, daß die Beschichtungsfolie mit dem Träger in allen Bereichen der Verbindung eine innige Verschmelzung eingeht und daß die Oberfläche im gesamten Beschichtungsbereich porenfrei und glatt wird, muß bei der Verpressung nicht nur genügend Wärme und Druck durch die Preßvorrichtung erzeugt werden, sondern auch ein ausreichender Gegendruck im gesamten Beschichtungsbereich des Trägers gewährleistet sein. Für den Fall, daß die Folie mit dem Träger nicht porenfrei verpreßt ist, sammelt sich nämlich in den Poren sichtbarer Schmutz, der nicht mehr entfernt werden kann. Deshalb lassen sich zum Beispiel handelsübliche Spanplatten, deren Mittelschicht ein geringeres spezifisches Gewicht als deren Außenschicht hat, wegen der zu geringen Druckfestigkeit der Mittelschicht nicht einwandfrei mit Kunstharzfolien direkt beschichten.It would now be possible to use panels or molded parts made of plastic-bonded fibers along their edge surfaces with not yet fully condensed plastic film strips underneath To coat pressure and the action of heat, however, there is a great difficulty here: namely, to to achieve that the coating film with the carrier in all areas of the connection an intimate Fusion enters into and that the surface in the entire coating area is pore-free and smooth does not only have to generate enough heat and pressure by the pressing device during the pressing but also a sufficient back pressure in the entire coating area of the carrier to be guaranteed. In the event that the film is not pressed pore-free with the carrier, collects This is because there is visible dirt in the pores that can no longer be removed. So leave it For example, commercially available chipboard, the middle layer of which has a lower specific weight than the outer layer of which is not flawless because of the insufficient compressive strength of the middle layer coat directly with synthetic resin foils.

Aufgabe der Erfindung ist es, das porenfreie und glatte Aufpressen der Kantenschicht zu ermöglichen. Zur Lösung dieser Aufgabe wird gemäß der Erfindung das eingangs beschriebene Verfahren in der Weise durchgeführt, daß die Kantenfläche durch das Aufpressen der Kantenschicht zur Preßkörpermittelebene hin entsprechend der Abnahme der Dichte zunehmend verformt wird.The object of the invention is to enable the pore-free and smooth pressing of the edge layer. To solve this problem, according to the invention, the method described at the outset in FIG Way carried out that the edge surface by pressing the edge layer to the pressed body center plane is increasingly deformed according to the decrease in density.

Auf diese Weise wird erreicht, daß sich ein Teil des Kunstharzes der Folie, das durch die Wärme-In this way it is achieved that some of the synthetic resin of the film, which is due to the heat

3 43 4

und Druckeinwirkung fließt, beim Kondensations- sation des Kunstharzes der Folie vermieden wird,and pressure flows, while condensation of the synthetic resin of the film is avoided,

prozeß mit dem Träger innig verbindet. Hierbei wird Die vorverformte Folie wird dann unter Druck undprocess intimately connects with the wearer. The pre-deformed film is then put under pressure and

durch den für die Druckerzeugung zur Verwendung Wärme entsprechend der vorstehenden Beschreibungby the use of heat for generating pressure as described above

kommenden Preßstempel das zum Fließen gebrachte mit dem Profil verpreßt, wobei die EndkondensationThe coming ram presses that which has been brought to flow with the profile, with the final condensation

Kunstharz zu einer glatten, widerstandsfähigen Ober- 5 des Kunstharzes eintritt.Synthetic resin to a smooth, resistant upper 5 of the synthetic resin enters.

flächenschicht verpreßt. Da die Beschichtungsfolie Die Erfindung betrifft des weiteren Vorrichtungensurface layer pressed. As the coating film, the invention also relates to devices

nur im Bereich der zu beschichtenden Kante oder mit Preßwerkzeugen, wie sie speziell zur Durchfüh-only in the area of the edge to be coated or with pressing tools, as they are specially designed for

des zu beschichtenden Profils kondensieren kann, rung des oben beschriebenen Verfahrens in Frageof the profile to be coated can condense, tion of the method described above in question

können die überstehenden Teile der Folie, die unter kommen.can be the protruding parts of the film that come under.

der drucklosen Wärmeeinwirkung stark verspröden, io Eine solche Vorrichtung mit elastischer Preßfläche leicht entfernt werden. Da die Kunstharzfolie mit ist zur Lösung der Aufgabe erfindungsgemäß so ausdem Träger eine innige Verbindung eingeht und gestaltet, daß die Preßfläche aus einem Stahlband durch das Fließen des Harzes die kleinste Uneben- besteht, das auf einem Druckpolster aus wärmeheit des Trägers ausgeglichen wird, entstehen im beständigem elastischem Material, z. B. Silikon-Bereich der Ecken von Kanten und Profilen keine 15 gummi, befestigt ist; das elastische Material ist seiner- : störenden Fugen. So ist es möglich, z. B. die Kanten seits auf einem heizbaren Druckbalken angeordnet. ■ von kunststoffbeschichteten Spanplatten mit einem Durch die flexible Oberfläche des Druckstempels gleichgemusterten und gleichfarbigen Dekor zu be- werden sowohl die Zonen geringerer Druckfestigkeit : schichten, so daß das Endprodukt optisch einen voll der zu beschichtenden Kanten und Profile nachverummantelten Eindruck macht. 20 dichtet als auch eventuelle Unebenheiten ausge-Um nun zu erreichen, daß eine den jeweiligen glichen. Das flexible Oberflächenmaterial des Stem- : Dichteverhältnissen entsprechende Verformung statt- pels ist elektrisch widerstandsbeheizt. Um die für die jj\ findet, kann entweder die Form der Kanten oder Verpressung notwendige gleichmäßige Temperatur Γ Profile des Trägers oder aber der Preßwerkzeuge so trotz der geringen Speicherkapazität des Oberflächenj ausgebildet sein, daß die Zonen geringerer Druck- 25 materials zu erhalten, wird der Druckbalken z. B. festigkeit entsprechend stärker verdichtet werden. So durch Elektrizität oder Dampf entsprechend beheizt. ; wird in Ausgestaltung des gemäß der Erfindung vor- Um bei der Beschichtung von profilierten Kanten geschlagenen Verfahrens die Kantenfläche vor dem über die ganze zu beschichtende Fläche einen aus- { Aufpressen der Kantenschicht ein konvexes Profil er- reichenden Druck erzeugen zu können, ist ferner halten und das Verfahren unter Einsatz eines starren 30 vorgesehen, das mit entsprechend dem gewünschten oder in sich elastischen Preßwerkzeuges mit ebener Profil geformter Preßfläche versehene Preßwerkzeug Preßfläche durchgeführt, oder aber die Kantenfläche seitlich in Schrägrichtung zu den zu beschichtenden erhält vor dem Aufpressen der Kantenschicht ein Kanten zu führen. Hierbei kann das Preßwerkzeug ; ebenes Profil und das Verfahren wird unter Einsatz aus mehreren gegeneinander abgefederten Druck- ! eines starren oder in sich elastischen Preßwerkzeuges 35 stempeln bestehen, wodurch beispielsweise maßliche mit konvexer Preßfläche durchgeführt, wobei die Toleranzen des Profils ausgeglichen werden können, Kantenfläche eine im Querschnitt hohlkehlenartig da die Abfederung eine exakte Anpassung der Einzelkonkave Form erhält. stempel an das Profil gewährleistet. the unpressurized exposure to heat become very brittle, io such a device with an elastic pressing surface can be easily removed. Since the synthetic resin film with is to solve the problem according to the invention so from the carrier enters into an intimate connection and designed that the pressing surface consists of a steel band through the flow of the resin, the smallest unevenness, which is compensated for on a pressure pad from the heat of the carrier, arise in the resistant elastic material, e.g. B. silicone area of the corners of edges and profiles no 15 rubber, is attached; the elastic material is his-: disturbing joints. So it is possible, for. B. the edges are arranged on a heatable pressure beam. ■ of plastic-coated chipboard with a decorative pattern with the same pattern and the same color as the areas of lower compressive strength to be loaded, so that the end product optically makes an impression that is fully encased by the edges and profiles to be coated. 20 seals as well as any unevenness-in order to now achieve that one of the respective. The flexible surface material of the stem: density ratio corresponding deformation instead of is electrically resistance heated. In order to achieve the uniform temperature required for the jj \, either the shape of the edges or the pressing, the profiles of the carrier or the pressing tools can be designed in such a way, despite the low storage capacity of the surface, that the zones of lesser pressure material are preserved Pressure bar z. B. strength to be compressed accordingly more. Heated accordingly by electricity or steam. ; is the according to the invention proposed in order to generate the edge surface in the coating of profiled edges beaten process before a Removing {pressing the edge layer ER over the entire surface to be coated a convex profile reaching pressure in configuration, is also maintained and the method is provided using a rigid 30, which is carried out with the pressing tool pressing surface provided with a pressing surface shaped according to the desired or elastic pressing tool with a flat profile, or the edge surface is given an edge laterally in an oblique direction to the one to be coated before the edge layer is pressed on . Here, the press tool; even profile and the process is carried out using several pressure springs cushioned against each other ! a rigid or elastic pressing tool 35 exist, whereby, for example, dimensionally carried out with a convex pressing surface, the tolerances of the profile can be compensated, edge surface a fillet-like in cross section because the cushioning receives an exact adaptation of the single concave shape. stamp on the profile guaranteed.

: Vorteilhafterweise wird in weiterer Ausgestaltung Zur Veranschaulichung der Erfindung sind die ; des gemäß der Erfindung vorgeschlagenen Verfah- 4° Zeichnungen im folgenden kurz beschrieben.
j rens der Kantenfläche vor dem Aufpressen der F i g. 1 zeigt eine kunststoffbeschichtete Platte 1 Kantenschicht ein Profil gegeben, das gegenüber dem mit Zonen höherer Verdichtung 2 und einer Zone Profil der Kantenfläche des fertigen Körpers an den geringerer Verdichtung 3, mit einer konvexen Kan-Stellen mit gegenüber den Randbereichen geringerer tenfläche 4 sowie den Preßstempel 5, eine Distanz-Materialdichte vorstehendes Material in einer der 45 leiste 6 und eine Beschichtungsfolie 7.
Abnahme der Dichte entsprechenden und dement- F i g. 2 zeigt entsprechend der Anordnung nach sprechend zunehmenden Menge besitzt. Ein derartiges F i g. 1 den unter Druck stehenden beheizten Preß-Vorgehen ist namentlich dann zu empfehlen, wenn stempel 5, den durch die Druckanwendung naches sich nicht um Preßkörper mit glattflächigen, son- verdichteten Bereich der Platte 8, die mit der Plattendem als Zierprofile ausgebildeten Kanten handelt. 50 kante innig verbundene Folie 9 und die mangels: Advantageously, in a further embodiment, to illustrate the invention are; of the proposed method according to the invention 4 ° drawings briefly described below.
j rens the edge surface before pressing on the fig. 1 shows a plastic-coated plate 1 edge layer given a profile compared to the higher compression zone 2 and a zone profile of the edge surface of the finished body at the lower compression 3, with a convex Kan points with opposite the edge areas lower ten surface 4 and the ram 5, a distance material density of protruding material in one of the 45 strips 6 and a coating film 7.
Decrease in density corresponding and dement- F i g. 2 shows according to the arrangement according to speaking increasing quantity possesses. Such a Fig. 1 The pressurized, heated pressing process is particularly recommended when the stamp 5, which is not a pressed body with a smooth, specially compacted area of the plate 8, the edges formed with the plate end as decorative profiles due to the application of pressure. 50 edge intimately connected foil 9 and the lack

Die gewünschte Profilierung der Kantenfläche Druck versprödeten Folienüberstände 10.
kann grundsätzlich bereits beim Pressen des Körpers F i g. 3 zeigt einen konvex ausgebildeten Preßerzielt werden, oder aber gegebenenfalls durch eine stempel 11, eine im mittleren Bereich 12 weniger geeignete Bearbeitung, etwa durch Sägen oder Frä- verdichtete Platte, deren Kantenflächen 13 plan aussen, beispielsweise bei Spanplatten, deren Kanten 55 gebildet sind, und die Kunstharzfolie 14.
unregelmäßig geformt sind. F i g. 4 zeigt entsprechend der Anordnung gemäß Für den Fall, daß vorzugsweise scharfkantige F i g. 3 den unter Druck stehenden Preßstempel 1I3 Profile beschichtet werden sollen, wird in Weiter- die durch die Nachverdichtung konkav ausgebildete bildung des Verfahrens die Kantenschicht bereits vor Plattenkante 15 und die mit der Kante nach dem dem Aufpressen entsprechend dem Profil der Kanten- 60 Preßvorgang innig verbundene Folie 16.
fläche des fertigen Körpers vorgeformt. Zu diesem Fig. 5 zeigt eine Anordnung mit elastischem Zweck können die Beschichtungsfolien beispielsweise Druckstempel, bei der der Druckbalken 17 mit einer durch kurzzeitige thermische Einwirkung im Bereich Heizeinrichtung 18 versehen und mit einem Druckder Biegezone plastifiziert und wahlweise entspre- polster 19 verbunden ist. Das Druckpolster ist seinerchend dem zu beschichtenden Profil in einer geson- 65 seits mit einem flexiblen, widerstandsbeheizten Band derten Vorrichtung vorverformt werden, wobei die 20 verbunden. Die Folie 21 wird beim Pressen mit Temperatur, die Verformungszeit und der Biege- der Platte 22 so verbunden, daß die flexible Oberdruck so bemessen werden, daß eine Endkonden- fläche des Preßstempels die mittlere Zone der PlatteThe desired profiling of the edge surface pressure embrittled film overhangs 10.
can in principle already when pressing the body F i g. 3 shows a convex press can be achieved, or possibly by means of a punch 11, processing that is less suitable in the central area 12, for example by sawing or milling, compacted board, the edge surfaces 13 of which are flat on the outside, for example in the case of chipboard, the edges 55 of which are formed, and the synthetic resin sheet 14.
are irregularly shaped. F i g. 4 shows, corresponding to the arrangement according to For the case that preferably sharp-edged F i g. 3 the press ram 1I 3 profiles are to be coated under pressure, in further the formation of the process concave formed by the recompression, the edge layer already before the plate edge 15 and that with the edge after the pressing according to the profile of the edge 60 pressing process intimately connected foil 16.
surface of the finished body preformed. 5 shows an arrangement with an elastic purpose, the coating foils can, for example, pressure stamps, in which the pressure bar 17 is provided with a brief thermal action in the area of heating device 18 and is plasticized with a pressure of the bending zone and optionally connected to corresponding padding 19. The pressure pad is, in turn, pre-deformed to the profile to be coated in a separate device with a flexible, resistance-heated band, with the 20 connected. During the pressing process with temperature, the deformation time and the bending of the plate 22, the film 21 is connected in such a way that the flexible upper pressure is dimensioned in such a way that an end condensing surface of the press ram forms the middle zone of the plate

geringerer Druckfestigkeit nachverdichtet und Unebenheiten ausgleicht.lower compressive strength and compensates for unevenness.

Fig. 6 zeigt die Anordnung für die Beschichtung einer profilierten Platte 28, die auf der Auflageleiste aufliegt. Die vorgeformte Folie 30 wird durchFig. 6 shows the arrangement for the coating of a profiled plate 28, which is on the support bar rests. The preformed sheet 30 is through

die im Verhältnis zum Profil schräg angeordneten und gegeneinander abgefederten, beheizten Preßstempel 31 mittels des Druckbalkens 32 mit den maßlich tolerierenden Profilflächen der Platte verpreßt.the heated press rams, which are arranged at an angle in relation to the profile and are cushioned against each other 31 by means of the pressure bar 32 with the dimensionally tolerant profile surfaces of the plate pressed.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (8)

Patentansprüche:Patent claims: 1. Verfahren zum nachträglichen Aufpressen einer Kantenschicht aus schwach vorkondensierten, wärmehärtenden Kunstharzfolien auf die Kantenfläche einer Schmalkante von aus einem Gemisch von organischen Fasern und einem wärmehärtenden Bindemittel hergestellten Preßkörpern mit zu ihrer Mittelebene hin abnehmender Dichte, wie Platten oder Formteilen, Vorzugsweise von bereits auf der Ober- und/oder Unterfläche beschichteten Preßkörpern, dadurch gekennzeichnet, daß die Kantenfläche durch das Aufpressen der Kantenschicht zur Preßkörpermittelebene hin entsprechend der Abnähme der Dichte zunehmend verformt wird.1. Process for the subsequent pressing on of an edge layer made of weakly pre-condensed, thermosetting synthetic resin film on the edge surface of a narrow edge of a Mixture of organic fibers and a thermosetting binder made compacts with a density that decreases towards its center plane, such as panels or molded parts, preferably of pressed bodies already coated on the upper and / or lower surface, thereby characterized in that the edge surface by pressing the edge layer to Press body center plane is increasingly deformed according to the decrease in density. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Kantenfläche vor dem Aufpressen der Kantenschicht ein konvexes Profil erhält und das das Verfahren unter Einsatz eines starren oder in sich elastischen Preßwerkzeuges mit ebener Preßfläche durchgeführt wird.2. The method according to claim 1, characterized in that the edge surface prior to pressing the edge layer is given a convex profile and the method using a rigid or inherently elastic pressing tool is carried out with a flat pressing surface. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Kantenfläche vor dem Aufpressen der Kantenschicht ein ebenes Profil erhält und daß das Verfahren unter Einsatz eines starren oder in sich elastischen Preßwerkzeuges mit konvexer Preßfläche durchgeführt wird, wobei die Kantenfläche eine im Querschnitt hohlkehlenartig konkave Form erhält.3. The method according to claim 1, characterized in that the edge surface prior to pressing the edge layer is given a flat profile and that the method using a rigid or inherently elastic pressing tool is carried out with a convex pressing surface, wherein the edge surface is given a concave shape in the form of a concave in cross section. 4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Kantenfläche vor dem Aufpressen der Kantenschicht ein Profil gegeben wird, das gegenüber dem Profil der Kantenfläche des fertigen Körpers an den Stellen mit gegenüber den Randbereichen geringerer Materialdichte vorstehendes Material in einer der Abnahme der Dichte entsprechenden und dementsprechend zunehmenden Menge besitzt.4. The method according to claim 1, characterized in that the edge surface before Pressing on the edge layer is given a profile that is opposite to the profile of the edge surface of the finished body at the points with less material density than the edge areas protruding material in a corresponding and accordingly to the decrease in density owns increasing amount. 5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß die Kantenschicht vor dem Aufpressen entsprechend dem Profil der Kantenfläche des fertigen Körpers vorgeformt wird. ■5. The method according to claim 4, characterized in that the edge layer before Pressing is preformed according to the profile of the edge surface of the finished body. ■ 6. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 2 oder 3 mit elastischer Preßfläche, dadurch gekennzeichnet, daß die Preßfläche aus einem Stahlband (20) besteht, das auf einem wärmebeständigen Material (29), z. B. Silikongummi, befestigt ist.6. Apparatus for performing the method according to claim 2 or 3 with elastic Press surface, characterized in that the press surface consists of a steel band (20) which is on a heat resistant material (29), e.g. B. silicone rubber attached. 7. Vorrichtung zur Durchführung des Verfahrens gemäß Anspruch 4 oder 5 mit einem Preßwerkzeug, das dadurch gekennzeichnet ist, daß das mit entsprechend dem gewünschten Profil (33) geformter Preßfläche versehene Preßwerkzeug (31) seitlich in Schrägrichtung zu den zu beschichtenden profilierten Kantenflächen (33) geführt ist.7. Device for performing the method according to claim 4 or 5 with a pressing tool, which is characterized in that the pressing tool is provided with a pressing surface shaped according to the desired profile (33) (31) laterally in an inclined direction to the profiled edge surfaces to be coated (33) is led. 8. Vorrichtung nach Anspruch 1 mit elastischem Preßwerkzeug, dadurch gekennzeichnet, daß das Preßwerkzeug aus mehreren gegeneinanderfedernden in einem gemeinsamen Preßbalken (32) angeordneten. Einzelstempeln (31) besteht.8. The device according to claim 1 with an elastic pressing tool, characterized in that that the pressing tool from several mutually resilient in a common press beam (32) arranged. Single stamp (31) consists.
DE19511504239 1951-01-28 1951-01-28 Process and mold for coating edges and profiles Granted DE1504239A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA761402A CA761402A (en) 1951-01-28 Method of and press mould for covering edges and profiles
DE19511504239 DE1504239A1 (en) 1951-01-28 1951-01-28 Process and mold for coating edges and profiles
FR7718A FR1433314A (en) 1951-01-28 1963-04-01 Method and compression mold for coating edges and profiles of parts, in particular wood-based
US29545763 US3283052A (en) 1951-01-28 1963-07-16 Method and apparatus for coating the edge portions of compressed workpieces
GB916464A GB1050517A (en) 1951-01-28 1964-03-04
SE3253/64A SE307665B (en) 1951-01-28 1964-03-16
JP1429364A JPS4526989B1 (en) 1951-01-28 1964-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19511504239 DE1504239A1 (en) 1951-01-28 1951-01-28 Process and mold for coating edges and profiles

Publications (3)

Publication Number Publication Date
DE1504239A1 DE1504239A1 (en) 1969-11-06
DE1504239B2 DE1504239B2 (en) 1974-05-16
DE1504239C3 true DE1504239C3 (en) 1975-03-06

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DE19511504239 Granted DE1504239A1 (en) 1951-01-28 1951-01-28 Process and mold for coating edges and profiles

Country Status (7)

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US (1) US3283052A (en)
JP (1) JPS4526989B1 (en)
CA (1) CA761402A (en)
DE (1) DE1504239A1 (en)
FR (1) FR1433314A (en)
GB (1) GB1050517A (en)
SE (1) SE307665B (en)

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CA761402A (en) 1967-06-20
GB1050517A (en) 1966-12-07
DE1504239A1 (en) 1969-11-06
US3283052A (en) 1966-11-01
SE307665B (en) 1969-01-13
FR1433314A (en) 1966-04-01
JPS4526989B1 (en) 1970-09-04
DE1504239B2 (en) 1974-05-16

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